01020304050Ammoniacal nitrogenCopperDissolved reactive phosphorusE.coliNitrate-nitrogenZincChanges in urban stream water quality in Auckland, Wellington,and Christchurch, New ZealandBy indicator and trend, from 2008 to 2015, number of sitesProvider: Ministry for the EnvironmentWorsenedNot determinedImproved

Changes in urban stream water quality in Auckland, Wellington, and Christchurch, New Zealand

By indicator and trend, from 2008 to 2015, number of sites